Specifications
| Fuel | Natural Gas |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 250 kW |
| Standby kVA | 290 |
| Oil capacity | 25.0 L |
| Alternator | Waukesha L1616.GSIU (4-pole, Class F insulation) |
| Voltage options | 24 V |
| Phase | Single |
| Rated current | 35 A |
| Power factor | 0.8 |
| Circuit breaker | 35 A |
| Battery group | SAE Group 8D |
| Battery cranking | 225 CCA |
| Battery voltage | 24 V |
| Battery quantity | 2 |
| Coolant capacity | 25 L |
| Dimensions (L×W×H) | 363×175×239 mm |
| Dry weight | 4818 kg |
| Sound level | 75.0 dBA @ 7 m |
Engine
| Oil capacity | 25.0 L |
|---|---|
| Coolant capacity | 25.0 L |
| Displacement | 26.4 L |
| Aspiration | Natural Aspiration |
| Rated speed | 1800 rpm |
Maintenance & consumables
for the Waukesha L1616-GSIU| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Air Filter | — | 200 hr | find | |
| Fuel filter | Fuel Filter | — | 200 hr | find | |
| Oil filter | Oil Filter | 232AI489 | 200 hr | eBay | |
| Belt | Drive Belt | — | 200 hr | find | |
| Coolant | Coolant | 25.0 gallons | — | 200 hr | |
| Oil | Engine Oil | 25.0 gallons | 232AI490 | 200 hr | eBay PartsGeek $17.97 |
Common questions
What is the power rating of the Cummins/Onan W?
The Cummins/Onan W is rated 250 kW standby (290.0 kVA).
What engine does the Cummins/Onan W use?
The Cummins/Onan W is powered by the Waukesha L1616-GSIU engine.
What fuel does the Cummins/Onan W use?
The Cummins/Onan W runs on Natural Gas.
What is the oil capacity of the Cummins/Onan W?
The Waukesha L1616-GSIU engine in the Cummins/Onan W has an oil capacity of 25.0 liters.
What alternator does the Cummins/Onan W use?
The Cummins/Onan W uses a Waukesha L1616.GSIU alternator. It has 4 poles. Insulation class F.
What oil filter does the Cummins/Onan W use?
The Cummins/Onan W uses oil filter part number 232AI489.
Parts
103| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 149-0751 | Electric Shutoff Valve | 1 | Electric shutoff valve | buy |
| 191-0649 | Pulley | 1 | Alternator | buy |
| 191-0688 | Alternator - Includes Regulator (Motorola #70D44039B04) | 1 | Alternator | buy |
| 191-0725 | Guard, Belt | 1 | Belt | buy |
| 191-0852 | Starter (24 Volt) | 1 | Starter | buy |
| 193-0109 | Sender, Temperature - Engine Coolant | 1 | Sensor | buy |
| 232AI490 | Onan OE Filter | 1 | Oil filter | eBay PartsGeek $17.97 |
| 232AI817 | Onan OE Filter | 1 | Fuel filter | eBay |
| 309-0178 | 'Switch, Thermostatic - Hi Engine Coolant Temperature | 1 | Sensor | eBay |
| 416-0473 | Cable, Battery - Jumper | 1 | Thermostat | buy |
| 503-0197 | Clip, Hose | 1 | Hose | eBay |
| 503-0316 | Bracket, Alternator Support | 2 | Bracket | buy |
| 505-0059 | Sensor, Water Pressure | 1 | Sensor | buy |
| 130-0497 | Service part / kit | buy | ||
| 130-0771 | Service part / kit | buy | ||
| 130-0772 | Service part / kit | buy | ||
| 130-0775 | Service part / kit | buy | ||
| 130-0776 | Service part / kit | buy | ||
| 130-0778 | Service part / kit | buy | ||
| 130-0780 | Service part / kit | buy | ||
| 130-0851 | Service part / kit | buy | ||
| 133-0160 | Service part / kit | buy | ||
| 140-1125 | Service part / kit | buy | ||
| 140-1126 | Service part / kit | buy | ||
| 140-1130 | Service part / kit | buy | ||
| 140-1131 | Service part / kit | buy | ||
| 140-1132 | Service part / kit | buy | ||
| 140-1156 | Service part / kit | buy | ||
| 145-0158 | Service part / kit | buy | ||
| 145-0201 | Service part / kit | buy | ||
| 145-0343 | Service part / kit | buy | ||
| 145-0435 | Service part / kit | buy | ||
| 145-0437 | Service part / kit | buy | ||
| 146-0721 | Service part / kit | buy | ||
| 148-0317 | Service part / kit | buy | ||
| 148-0724 | Service part / kit | buy | ||
| 149-0596 | Service part / kit | buy | ||
| 150-0147 | Service part / kit | buy | ||
| 151-0230 | Service part / kit | buy | ||
| 152-0120 | Throttle, Vernier - 7 181-0230 1 Bracket, Mounting ss ‘ | 1 | Service part / kit | buy |
| 153-0051 | Service part / kit | buy | ||
| 153-0282 | Service part / kit | buy | ||
| 153-0283 | Service part / kit | buy | ||
| 153-0287 | Service part / kit | buy | ||
| 153-0288 | Service part / kit | buy | ||
| 153-0303 | Service part / kit | buy | ||
| 153-0304 | Service part / kit | buy | ||
| 153-0305 | Service part / kit | buy | ||
| 153-0317 | Service part / kit | buy | ||
| 153-0446 | Service part / kit | buy | ||
| 155-1166 | Service part / kit | buy | ||
| 159-0668 | Service part / kit | buy | ||
| 159-0705 | Service part / kit | buy | ||
| 159-0871 | Service part / kit | buy | ||
| 159-0986 | Service part / kit | buy | ||
| 191-0733 | 191-0733 (3/8”) 20 | 1 | Service part / kit | buy |
| 191-0869 | Guard. Fan Screw. Self-locking - Hex (3/8-16 X 3/4“) | 1 | Service part / kit | buy |
| 191-0905 | Service part / kit | buy | ||
| 232AI489 | Laminated Shim | 1 | Service part / kit | eBay |
| 307-0641 | Service part / kit | buy | ||
| 307-1141 | Service part / kit | buy | ||
| 309-0169 | 1 Begin Spec G 25 26 | 1 | Service part / kit | buy |
| 309-0269 | Switch, Low Engine Temperature (S4) | 1 | Service part / kit | buy |
| 312-0058 | Screw (5/16-18 x 3/4"), Terminal Bracket Mounting | 1 | Service part / kit | buy |
| 314-0006 | Service part / kit | buy | ||
| 314-0156 | Service part / kit | buy | ||
| 416-0444 | Cable, Battery - Negative | 26 | Service part / kit | buy |
| 416-0445 | Service part / kit | buy | ||
| 416-0446 | Cable, Battery - Jumper | 1 | Service part / kit | buy |
| 502-0183 | Cable, Battery - Positive | 1 | Service part / kit | buy |
| 503-0273 | Service part / kit | buy | ||
| 503-0620 | ) | Service part / kit | buy | |
| 503-0621 | Service part / kit | buy | ||
| 503-0659 | Service part / kit | buy | ||
| 504-0011 | Valve, Shutoff (1/2”) | 1 | Service part / kit | buy |
| 504-0059 | Service part / kit | buy | ||
| 504-0078 | Service part / kit | buy | ||
| 505-0042 | Elbow (90°) | 2 | Service part / kit | buy |
| 505-0046 | Service part / kit | buy | ||
| 505-0057 | Plug, Square Head (1/8') | 1 | Service part / kit | buy |
| 505-0098 | Band | 1 | Service part / kit | buy |
| 505-0100 | Nipple, Pipe - Close (1/2”) | 1 | Service part / kit | eBay |
| 505-0117 | Bushing, Reducer - Flush, Brass (1/2' NPT x3/8° NPT) | 1 | Service part / kit | buy |
| 505-0164 | Service part / kit | buy | ||
| 505-0171 | Service part / kit | buy | ||
| 505-0177 | Service part / kit | buy | ||
| 505-0185 | Nipple, Half (1/2' x 1.5' lg) | 1 | Service part / kit | eBay |
| 505-0258 | Nipple (1-1/4 x 3") | 2 | Service part / kit | buy |
| 505-0498 | Service part / kit | buy | ||
| 511-0056 | Service part / kit | buy | ||
| 518-0047 | Service part / kit | buy | ||
| 526-0035 | 2 SCREW, HEX CAP | 9 | Service part / kit | buy |
| 526-0201 | Service part / kit | buy | ||
| 600-0095 | Service part / kit | buy | ||
| 600-0133 | Service part / kit | buy | ||
| 603-0002 | Service part / kit | buy | ||
| 650-0060 | Service part / kit | buy | ||
| 800-0005 | Screw, Cap - Hex Head (1/4-20 x 3/4") | 1 | Service part / kit | eBay |
| 800-0090 | Cable, Battery - Negative | 1 | Service part / kit | buy |
| 850-0040 | Washer, Lock - Spring (1/4") | 2 | Service part / kit | buy |
| 850-0060 | Screw, Cap - Hex Head (5/16-18 X 7-1/2" ) | 4 | Service part / kit | buy |
| 850-0070 | Screw, Cap - Hex Head (5/16-18 X 7-1/2" ) | 2 | Service part / kit | buy |
| 860-0013 | Service part / kit | buy |
Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.
Fuel consumption
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| Prime | 50% | 1.8 | 6.8 |
| Prime | 75% | 2.7 | 10.2 |
| Standby | 50% | 1.5 | 5.6 |
| Standby | 75% | 2.25 | 8.4 |
Available documents
Parts manual — 948-0304 Onan WF WK Instruction and Parts Manual (2-1970) (Cummins/Onan)Parts manual — 948-0305 Onan WB (spec H-L) Genset Parts manual (09-1974) (Cummins/Onan)Service manual — 948-0308 Onan WF Operator's and Parts Manual (8-1973)